161 citations · 235 across the 16 of their papers we have counts for
7 papers · 1 filter
From Caricature to Collective Artifact: How Persona Construction Drives Polarization in Generative Social Simulations
Dimitris Michailidis, Petter Törnberg, Fernando P. Santos
Generative Social Simulation (GSS) leverages Large Language Models (LLMs) to create sophisticated personas that define agents with demographics, emotions, and political opinions. W…
The Politics Attention Makes: Platform Media Logic and the Mediatization of Politics
Petter Törnberg
Empirical research on social media and politics has primarily treated platforms as distributive systems that expose users to particular messages. The mediatization literature, howe…
Polarization by Default: Auditing Recommendation Bias in LLM-Based Content Curation
Nicolò Pagan, Christopher Barrie, Chris Andrew Bail +1
Large Language Models (LLMs) are increasingly deployed to curate and rank human-created content, yet the nature and structure of their biases in these tasks remains poorly understo…
Online Homogeneity Can Emerge Without Filtering Algorithms or Homophily Preferences
Petter Törnberg
Ideologically homogeneous online environments - often described as "echo chambers" or "filter bubbles" - are widely seen as drivers of polarization, radicalization, and misinformat…
Can We Fix Social Media? Testing Prosocial Interventions using Generative Social Simulation
Maik Larooij, Petter Törnberg
Social media platforms have been widely linked to societal harms, including rising polarization and the erosion of constructive debate. Can these problems be mitigated through pros…
Toxic Bias: Perspective API Misreads German as More Toxic
Gianluca Nogara, Francesco Pierri, Stefano Cresci +3
Proprietary public APIs play a crucial and growing role as research tools among social scientists. Among such APIs, Google's machine learning-based Perspective API is extensively u…
Simulating Social Media Using Large Language Models to Evaluate Alternative News Feed Algorithms
Petter Törnberg, Diliara Valeeva, Justus Uitermark +1
Social media is often criticized for amplifying toxic discourse and discouraging constructive conversations. But designing social media platforms to promote better conversations is…